If you make $145,000 a year living in the region of Arizona, USA, you will be taxed $40,593. That means that your net pay will be $104,407 per year, or $8,701 per month. Your average tax rate is 28.0% and your marginal tax rate is 29.9%. This marginal tax rate means that your immediate additional income will be taxed at this rate. For instance, an increase of $100 in your salary will be taxed $29.89, hence, your net pay will only increase by $70.11.
A $1,000 bonus will generate an extra $701 of net incomes. A $5,000 bonus will generate an extra $3,506 of net incomes.